A snowmobile travels a newly-groomed trail on Monday, Dec. 31, 2012 in East Montpelier, Vt. The big snow is giving a big boost to snowmobilers across Vermont, New Hampshire and Maine. Parts of the region have received two feet of snow and more over the last several days, giving a boost to the sport that was hampered last season by a near-snowless winter.(Photo: AP)

Mad Rush for Winter Sports

A speed rider flies over a snowy slope on December 29, 2012, in the French Alps resort of Val d'Isere. The speed riding is an open-air sport associating the ski, the paragliding and the parachuting, and which consists in going down the snowy slopes equipped with a pair of skis and with a sail of low surface, by alternating the glide and the flight. (Photo: AFP/Getty Images)

Mad Rush for Winter Sports

A speed rider glides on a snowy slope on December 29, 2012, in the French Alps resort of Val d'Isere. The speed riding is an open-air sport associating the ski, the paragliding and the parachuting, and which consists in going down the snowy slopes equipped with a pair of skis and with a sail of low surface, by alternating the glide and the flight. (Photo: AFP/Getty Images)

Mad Rush for Winter Sports

A speed rider glides on a snowy slope on December 29, 2012, in the French Alps resort of Val d'Isere. The speed riding is an open-air sport associating the ski, the paragliding and the parachuting, and which consists in going down the snowy slopes equipped with a pair of skis and with a sail of low surface, by alternating the glide and the flight. (Photo: AFP/Getty Images)

Mad Rush for Winter Sports

Athletes trains during the official practice session of the Tour de Ski event on December 28, 2012 in Oberhof, eastern Germany. The winter sport resort in the Thuringian Forest is to host the Tour de Ski cross-country event taking place on December 29 and 30, 2012. (Photo: AFP/Getty Images)

Mad Rush for Winter Sports

An athlete trains during the official practice session of the Tour de Ski event on December 28, 2012 in Oberhof, eastern Germany. The winter sport resort in the Thuringian Forest is to host the Tour de Ski cross-country event taking place on December 29 and 30, 2012. (Photo: AFP/Getty Images)

Mad Rush for Winter Sports

An athlete trains during the official practice session of the Tour de Ski event on December 28, 2012 in Oberhof, eastern Germany. The winter sport resort in the Thuringian Forest is to host the Tour de Ski cross-country event taking place on December 29 and 30, 2012. (Photo: AFP/Getty Images)